in america the latino population is primarily mexican origin. but one thing that is unique about the latino population in arizona, a lot of them are recent arrivals. not necessarily foreign-born but have might grated from, say, california, texas, new mexico, because of job opportunities in arizona over the last decade or so. but that's not unlike perhaps the white population, too. it's very hard to find native arizonans. so, a lot of the people there are transplants from elsewhere and i think that explains a lot as to why the latino voters are still the sleeping giant in arizona. we saw them surge in new mexico and of course colorado and nevada, but in arizona they're still asleep some people ask why. i think in part it's because they have not established rooting, the roots in the community like in, say, california or texas. >> go into the numbers a little bit. what percentage of the population -- we heard the percentage of electorate. give us a sense of the percentage of the population, what they -- growth rate, expansion. >> in arizona, approx